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NAND: add more watchdog resets

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Poke the watchdog in a variety of looping constructs, which could take
a long time to complete.

Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Scott Wood 2011-02-02 18:15:57 -06:00
parent 19b54a7018
commit 6f2ffc3da2
2 changed files with 8 additions and 0 deletions
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6
drivers/mtd/nand/nand_base.c
View File

@ -1156,6 +1156,8 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
oob = ops->oobbuf;
while(1) {
WATCHDOG_RESET();
bytes = min(mtd->writesize - col, readlen);
aligned = (bytes == mtd->writesize);
@ -1485,6 +1487,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
page = realpage & chip->pagemask;
while(1) {
WATCHDOG_RESET();
sndcmd = chip->ecc.read_oob(mtd, chip, page, sndcmd);
len = min(len, readlen);
@ -1884,6 +1887,8 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
memset(chip->oob_poi, 0xff, mtd->oobsize);
while(1) {
WATCHDOG_RESET();
int bytes = mtd->writesize;
int cached = writelen > bytes && page != blockmask;
uint8_t *wbuf = buf;
@ -2215,6 +2220,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
instr->state = MTD_ERASING;
while (len) {
WATCHDOG_RESET();
/*
* heck if we have a bad block, we do not erase bad blocks !
*/

2
drivers/mtd/nand/nand_util.c
View File

@ -542,6 +542,8 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
pages = write_size / pagesize_oob;
for (page = 0; page < pages; page++) {
WATCHDOG_RESET();
ops.datbuf = p_buffer;
ops.oobbuf = ops.datbuf + pagesize;